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: Sat, 16 Oct 2021 15:45:31 +0300 Message-ID: <83mtn9gmtw.fsf@gnu.org> References: <87czp6ysw7.fsf.ref@yahoo.com> <877defls2w.fsf@yahoo.com> <83fst3lrwr.fsf@gnu.org> <87o87rkczt.fsf@yahoo.com> <83czo7lqrl.fsf@gnu.org> <87h7djkayk.fsf@yahoo.com> <83bl3rli53.fsf@gnu.org> <871r4njcum.fsf@yahoo.com> <83v91yiesj.fsf@gnu.org> <8735p1izzi.fsf@yahoo.com> <83k0idijq9.fsf@gnu.org> <87lf2th4ur.fsf@yahoo.com> <83fst1iivf.fsf@gnu.org> <87y26tfp6p.fsf@yahoo.com> <83ee8lihd9.fsf@gnu.org> <87lf2tfnn5.fsf@yahoo.com> <838rytig5g.fsf@gnu.org> <874k9hfltz.fsf@yahoo.com> <83wnmdgtzg.fsf@gnu.org> <87lf2tdv7c.fsf@yahoo.com> <83o87pgnqj.fsf@gnu.org> <87fst1du3o.fsf@yahoo.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30180"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 50660@debbugs.gnu.org To: Po Lu Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Sat Oct 16 14:46:29 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 1mbj52-0007gf-1d for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 16 Oct 2021 14:46:28 +0200 Original-Received: from localhost ([::1]:41716 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mbj50-0007nJ-RH for geb-bug-gnu-emacs@m.gmane-mx.org; Sat, 16 Oct 2021 08:46:26 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:49788) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mbj4f-0007la-8z for bug-gnu-emacs@gnu.org; Sat, 16 Oct 2021 08:46:08 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]:57797) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mbj4c-00037S-BS for bug-gnu-emacs@gnu.org; Sat, 16 Oct 2021 08:46:04 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1mbj4c-0008Gv-6C for bug-gnu-emacs@gnu.org; Sat, 16 Oct 2021 08:46:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 16 Oct 2021 12:46:02 +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=B50660.163438835731785 (code B ref 50660); Sat, 16 Oct 2021 12:46:02 +0000 Original-Received: (at 50660) by debbugs.gnu.org; 16 Oct 2021 12:45:57 +0000 Original-Received: from localhost ([127.0.0.1]:41110 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mbj4X-0008Ga-7M for submit@debbugs.gnu.org; Sat, 16 Oct 2021 08:45:57 -0400 Original-Received: from eggs.gnu.org ([209.51.188.92]:47838) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1mbj4V-0008GL-M0 for 50660@debbugs.gnu.org; Sat, 16 Oct 2021 08:45:56 -0400 Original-Received: from fencepost.gnu.org ([2001:470:142:3::e]:48030) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mbj4K-0002tF-GU; Sat, 16 Oct 2021 08:45:45 -0400 Original-Received: from [87.69.77.57] (port=2665 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 1mbj46-0004pt-Kn; Sat, 16 Oct 2021 08:45:43 -0400 In-Reply-To: <87fst1du3o.fsf@yahoo.com> (message from Po Lu on Sat, 16 Oct 2021 20:36:43 +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:217366 Archived-At: > From: Po Lu > Cc: 50660@debbugs.gnu.org > Date: Sat, 16 Oct 2021 20:36:43 +0800 > > Eli Zaretskii writes: > > > That's a separate problem, which exists in the current code as well, > > doesn't it? > > It doesn't, because s->font isn't updated (while s->face is) in the > current code, which makes everything work properly. Then maybe the simplest solution would be to do the same. > > The only solution to that is to merge the mouse-face with the original > > face, ignoring the attributes of mouse-face that affect the text size, > > as documented in the ELisp manual. > > Would this be easy to do? If so, could you explain where to begin > implementing this? Thanks. See merge_face_vectors. But perhaps ignoring the font of what FACE_FOR_CHAR produces has the same effect, but cheaper.