From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Po Lu via "Bug reports for GNU Emacs, the Swiss army knife of text editors" 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: Sun, 26 Sep 2021 17:56:03 +0800 Message-ID: <871r5bvex8.fsf@yahoo.com> References: <87czp6ysw7.fsf.ref@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> <83pmt2xcox.fsf@gnu.org> <87lf3myhlb.fsf@yahoo.com> <87a6jzvnpq.fsf@yahoo.com> <83o88fom1k.fsf@gnu.org> Reply-To: Po Lu Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; 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Sun, 26 Sep 2021 09:56:10 +0000 Original-Received: by kubenode503.mail-prod1.omega.sg3.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID fd4c00dc6563f59e62d0c4de5a74533c; Sun, 26 Sep 2021 09:56:06 +0000 (UTC) In-Reply-To: <83o88fom1k.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 26 Sep 2021 10:04:07 +0300") X-Mailer: WebService/1.1.19043 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo 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:215589 Archived-At: Eli Zaretskii writes: > I don't think I understand the situation well enough to answer these > questions. Thanks, I'll try to explain. > First, which call to display_and_set_cursor are we talking about? The call inside show_mouse_face. > And what do you mean by "erase_phys_cursor gets very confused" -- > confused how? It calls draw_phys_cursor_glyph, which draws the glyph at the original X position, and not the position with the mouse face offset applied. What I was asking is whether or not it's okay to not restore phys_cursor->x to its original value after the call to display_and_set_cursor inside show_mouse_face, or if I should also calculate and add the offset in erase_phys_cursor (if cursor_in_mouse_face_p) instead. TIA.