From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Stefan Monnier Newsgroups: gmane.emacs.devel Subject: Re: [RFC PATCH] Per-window face support Date: Thu, 07 Jun 2018 22:57:28 -0400 Message-ID: References: <5e08587a56ad528599ed5fb259be6335.squirrel@dancol.org> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1528426550 21420 195.159.176.226 (8 Jun 2018 02:55:50 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Fri, 8 Jun 2018 02:55:50 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Jun 08 04:55:46 2018 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1fR7Z3-0005S3-En for ged-emacs-devel@m.gmane.org; Fri, 08 Jun 2018 04:55:45 +0200 Original-Received: from localhost ([::1]:32790 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fR7b9-0007Vj-0T for ged-emacs-devel@m.gmane.org; Thu, 07 Jun 2018 22:57:55 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:56600) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fR7b0-0007Vb-3C for emacs-devel@gnu.org; Thu, 07 Jun 2018 22:57:46 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fR7aw-0000FR-8T for emacs-devel@gnu.org; Thu, 07 Jun 2018 22:57:46 -0400 Original-Received: from [195.159.176.226] (port=47025 helo=blaine.gmane.org) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fR7aw-0000BJ-0I for emacs-devel@gnu.org; Thu, 07 Jun 2018 22:57:42 -0400 Original-Received: from list by blaine.gmane.org with local (Exim 4.84_2) (envelope-from ) id 1fR7Yi-00057Y-FR for emacs-devel@gnu.org; Fri, 08 Jun 2018 04:55:24 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 32 Original-X-Complaints-To: usenet@blaine.gmane.org Cancel-Lock: sha1:mzxpJYj056zAFHfqZMatUrWIn/Y= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 195.159.176.226 X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.org gmane.emacs.devel:226108 Archived-At: > This patch lets us actually vary faces on a window-by-window basis. Sounds good. > + 4. Conses of the form > + (:filter (:window PARAMETER VALUE) FACE-SPECIFICATION), > + which applies FACE-SPECIFICATION only if the > + given face attributes are being evaluated in the context of a > + window with a parameter named PARAMETER being EQ VALUE. Is there any chance we could allow running Elisp code there, i.e. allow (:filter FUNCTION FACE-SPECIFICATION) or even just (:filter FUNCTION) where FUNCTION returns the FACE-SPECIFICATION (or nil, say). > DEFSYM (QCignore_defface, ":ignore-defface"); > > + /* Used for limiting character attributes to windows with specific > + characteristics. */ > + DEFSYM (Qwindow_kw, ":window"); > + DEFSYM (Qfiltered_kw, ":filtered"); Our convention is to use QC rather than Q_kw for ":foo", as can be seen above for :ignore-defface. Stefan