From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Manuel Giraud via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#67794: 30.0.50; mouse-face is not respected on SVG images Date: Wed, 13 Dec 2023 19:24:48 +0100 Message-ID: <87v8920xlb.fsf@ledu-giraud.fr> References: <87plzb7eek.fsf@ledu-giraud.fr> <83sf47tumh.fsf@gnu.org> <87jzpjo6pa.fsf@ledu-giraud.fr> <877cljnzuh.fsf@ledu-giraud.fr> <83cyvbtjnk.fsf@gnu.org> <87r0jqms5r.fsf@ledu-giraud.fr> <83o7eus3a4.fsf@gnu.org> <87bkauyyvf.fsf@ledu-giraud.fr> <83cyvarvgl.fsf@gnu.org> <87sf46ccmg.fsf@ledu-giraud.fr> <83a5qers00.fsf@gnu.org> <87zfye11z3.fsf@ledu-giraud.fr> <838r5yroyp.fsf@gnu.org> Reply-To: Manuel Giraud Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="9084"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: Gerd =?UTF-8?Q?M=C3=B6llmann?= , 67794@debbugs.gnu.org, alan@idiocy.org To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Wed Dec 13 19:26:08 2023 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 1rDTvr-00026H-Um for geb-bug-gnu-emacs@m.gmane-mx.org; 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Wed, 13 Dec 2023 19:24:49 +0100 (CET) In-Reply-To: <838r5yroyp.fsf@gnu.org> (Eli Zaretskii's message of "Wed, 13 Dec 2023 19:29:02 +0200") 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-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:276150 Archived-At: Eli Zaretskii writes: >> From: Manuel Giraud >> Cc: alan@idiocy.org, 67794@debbugs.gnu.org >> Date: Wed, 13 Dec 2023 17:50:08 +0100 >>=20 >> BTW, do you know why mouse-highlight is this way? Is it because it >> was an afterthought of the display engine or is it because of >> performance issues or=E2=80=A6? > > How would you design it instead? > > I'm not saying that what we have is the only possible design, but I'm > curious what alternative design ideas could be used. Sorry I do not have an alternative design idea =F0=9F=98=85. It's just tha= t from my, obviously limited, point of view the Emacs display engine is a work horse that could handled many cases regarding how to display glyphs and I was wondering why it was not used for mouse highlight also. > Btw, AFAIU the person who at the time decided how this will work is > here: it's Gerd (CC'ed). Maybe he can share his memories about why he > ended up with this design. Thanks for summoning Gerd. I have an answer now even though I do not have the knowledge to understand it fully. --=20 Manuel Giraud