X-Loop: help-debbugs@HIDDEN Subject: bug#65632: 30.0.50; Proposal to improve `faces--attribute-at-point'. Resent-From: David Ponce <da_vid@HIDDEN> Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> Resent-CC: bug-gnu-emacs@HIDDEN Resent-Date: Wed, 30 Aug 2023 18:06:02 +0000 Resent-Message-ID: <handler.65632.B.16934187195134 <at> debbugs.gnu.org> Resent-Sender: help-debbugs@HIDDEN X-GNU-PR-Message: report 65632 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 65632 <at> debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@HIDDEN Received: via spool by submit <at> debbugs.gnu.org id=B.16934187195134 (code B ref -1); Wed, 30 Aug 2023 18:06:02 +0000 Received: (at submit) by debbugs.gnu.org; 30 Aug 2023 18:05:19 +0000 Received: from localhost ([127.0.0.1]:53936 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qbPZ9-0001Kj-3y for submit <at> debbugs.gnu.org; Wed, 30 Aug 2023 14:05:19 -0400 Received: from lists.gnu.org ([2001:470:142::17]:48448) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <da_vid@HIDDEN>) id 1qbPZ5-0001KP-2e for submit <at> debbugs.gnu.org; Wed, 30 Aug 2023 14:05:18 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <da_vid@HIDDEN>) id 1qbPYn-0001qi-Nz for bug-gnu-emacs@HIDDEN; Wed, 30 Aug 2023 14:04:58 -0400 Received: from smtp-15.smtpout.orange.fr ([80.12.242.15] helo=smtp.smtpout.orange.fr) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from <da_vid@HIDDEN>) id 1qbPYk-0003HL-Eb for bug-gnu-emacs@HIDDEN; Wed, 30 Aug 2023 14:04:57 -0400 Received: from [192.168.1.15] ([2.7.71.181]) by smtp.orange.fr with ESMTPA id bPYfq3D0UxiGYbPYfqXohZ; Wed, 30 Aug 2023 20:04:50 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=orange.fr; s=t20230301; t=1693418690; bh=e1WI9s8sZKL9RjwY1WsxzYmeYiApWFQGEhpkI6wA2rk=; h=Date:To:From:Subject; b=jmp4a+mn3vozSXSWOjD2dk9bJqODAgJHZ2GSGeEd0RZpYo9Ss6VccdIG9B8IeMY9C JdOet6IWOAJp3T1Wyan2YIu916krs7GVAiMjL+wD6Sy1iH2yOU6aeWbwAok2fCE4uq UREe7D0weBITkB7U8GbPvM+T5EJ/tEDzY5BkRi3H7AIswGxZcpukanWA6mfbW/rQM4 l3E02jC6uxnOO/FtuUULeWgm8K+eiIEXCOvg/woWgC2fwSqTVDuvr6cqSSPhIEk5fe H07XO/+XhlUVCj6QCLUf4wIE2Jx8EXDbZ4d368TZl0kDOAdzxFiwU55PSZCWIzwuV4 JNnNYaDq7g8hw== X-ME-Helo: [192.168.1.15] X-ME-Auth: ZGFfdmlkQHdhbmFkb28uZnI= X-ME-Date: Wed, 30 Aug 2023 20:04:50 +0200 X-ME-IP: 2.7.71.181 Content-Type: multipart/mixed; boundary="------------JJEk5aKF1BTWenVZT0IQreZv" Message-ID: <c4b4dd2c-03ea-df8c-11b1-e899081e811b@HIDDEN> Date: Wed, 30 Aug 2023 20:04:49 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 Content-Language: fr, en-US From: David Ponce <da_vid@HIDDEN> Received-SPF: pass client-ip=80.12.242.15; envelope-from=da_vid@HIDDEN; helo=smtp.smtpout.orange.fr X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Spam-Score: 0.7 (/) X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -0.3 (/) This is a multi-part message in MIME format. --------------JJEk5aKF1BTWenVZT0IQreZv Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hello, I noticed that the functions `foreground-color-at-point' and `background-color-at-point' don't return expected values when the face at point includes anonymous face or is a nested list of face, for example. Here is a simple recipe that demonstrates the issue (emacs -Q): In scratch buffer eval: ----------------------- ;; Display "TEST" in red, bold, italic on yellow background. (insert (propertize "TEST" 'font-lock-face '(bold ((:background "yellow") "italic" ((foreground-color . "red") underline))))) TESTnil ;; Then click to move point somewhere on TEST and run M-: (foreground-color-at-point) RET >>> result is "black" instead of "red" M-: (background-color-at-point) RET >>> result is "white" instead of "yellow" I propose the attached patch to faces.el to improve things. The patch introduce a new function `face-attribute-lookup' to lookup face attribute, that works when face specification is complex like in above example. The function `faces--attribute-at-point' is simplified to use it. Here is a possible changelog: * faces.el: Improve attribute lookup of face at point. (face--unnamed-attributes): New constant. (face--attribute-unspecified-p) (face-attribute-lookup): New functions. (faces--attribute-at-point): Use it. Remove useless argument. (foreground-color-at-point) (background-color-at-point): Update accordingly. 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Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) Content-Type: text/plain; charset=utf-8 X-Loop: help-debbugs@HIDDEN From: help-debbugs@HIDDEN (GNU bug Tracking System) To: David Ponce <da_vid@HIDDEN> Subject: bug#65632: Acknowledgement (30.0.50; Proposal to improve `faces--attribute-at-point'.) Message-ID: <handler.65632.B.16934187195134.ack <at> debbugs.gnu.org> References: <c4b4dd2c-03ea-df8c-11b1-e899081e811b@HIDDEN> X-Gnu-PR-Message: ack 65632 X-Gnu-PR-Package: emacs Reply-To: 65632 <at> debbugs.gnu.org Date: Wed, 30 Aug 2023 18:06:02 +0000 Thank you for filing a new bug report with debbugs.gnu.org. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): bug-gnu-emacs@HIDDEN If you wish to submit further information on this problem, please send it to 65632 <at> debbugs.gnu.org. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 65632: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D65632 GNU Bug Tracking System Contact help-debbugs@HIDDEN with problems
X-Loop: help-debbugs@HIDDEN Subject: bug#65632: 30.0.50; Proposal to improve `faces--attribute-at-point'. Resent-From: Eli Zaretskii <eliz@HIDDEN> Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> Resent-CC: bug-gnu-emacs@HIDDEN Resent-Date: Wed, 30 Aug 2023 18:36:02 +0000 Resent-Message-ID: <handler.65632.B65632.16934205518009 <at> debbugs.gnu.org> Resent-Sender: help-debbugs@HIDDEN X-GNU-PR-Message: followup 65632 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: David Ponce <da_vid@HIDDEN> Cc: 65632 <at> debbugs.gnu.org Received: via spool by 65632-submit <at> debbugs.gnu.org id=B65632.16934205518009 (code B ref 65632); Wed, 30 Aug 2023 18:36:02 +0000 Received: (at 65632) by debbugs.gnu.org; 30 Aug 2023 18:35:51 +0000 Received: from localhost ([127.0.0.1]:53960 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qbQ2h-000256-E3 for submit <at> debbugs.gnu.org; Wed, 30 Aug 2023 14:35:51 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48632) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qbQ2a-00024o-UB for 65632 <at> debbugs.gnu.org; Wed, 30 Aug 2023 14:35:48 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1qbQ2N-0001Nh-IU; Wed, 30 Aug 2023 14:35:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=WTSkyoBIiNf8h8p/h465DecK0MzovwuzbLGGeHCFb9g=; b=qGtoMpNf62mf fFGq1P7VlLEF3Kr47VBOQkcVAT1NyALABguO1ZgsxloW4OKh1zwInOn0bTI8YPyxjjbeGvTUiVPSD Wdra5z3BtHti4EJVwEGKe8q+Vjl9/8Yy00KI84cJMZ1Abf/D+8PYnu/WYFEWY2Mxu7xO5WlwmCpAT bK1Ue73RUeR1o/g1Ch7oBqgCL8W4LVrRHj6G1nfWtNOtvUrVwjCd4rVvo144cVs7f9HKid2uTv6ah qRyssX3CsNX2JKJdgg062WuiQu6ooqXNOyLxJkbiIF1I0mJfg/o7N0KVg/x3BKGKAZMqJHe8HNiV6 SuliIVyn5gJRkh/A7ya6+w==; Date: Wed, 30 Aug 2023 21:35:11 +0300 Message-Id: <83jztcfkf4.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> In-Reply-To: <c4b4dd2c-03ea-df8c-11b1-e899081e811b@HIDDEN> (message from David Ponce on Wed, 30 Aug 2023 20:04:49 +0200) References: <c4b4dd2c-03ea-df8c-11b1-e899081e811b@HIDDEN> X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Date: Wed, 30 Aug 2023 20:04:49 +0200 > From: David Ponce <da_vid@HIDDEN> > > I noticed that the functions `foreground-color-at-point' and > `background-color-at-point' don't return expected values when the face > at point includes anonymous face or is a nested list of face, for > example. > > Here is a simple recipe that demonstrates the issue (emacs -Q): > > In scratch buffer eval: > ----------------------- > > ;; Display "TEST" in red, bold, italic on yellow background. > (insert > (propertize > "TEST" 'font-lock-face > '(bold ((:background "yellow") "italic" > ((foreground-color . "red") underline))))) This is not a valid face, AFAIU. That it works is sheer luck (because Emacs is very lenient with this stuff). The correct face definition for what you want is this (see 'set-face-attribute's doc string): (insert (propertize "TEST" 'font-lock-face '(:weight bold :background "yellow" :slant italic :foreground "red" :underline t))) If you use the above, foreground-color-at-point etc. will work as expected. I'm not sure we want to go out of our way to support the kind of face specifications that you used.
X-Loop: help-debbugs@HIDDEN Subject: bug#65632: 30.0.50; Proposal to improve `faces--attribute-at-point'. Resent-From: Eli Zaretskii <eliz@HIDDEN> Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> Resent-CC: bug-gnu-emacs@HIDDEN Resent-Date: Wed, 30 Aug 2023 19:24:02 +0000 Resent-Message-ID: <handler.65632.B65632.169342340513339 <at> debbugs.gnu.org> Resent-Sender: help-debbugs@HIDDEN X-GNU-PR-Message: followup 65632 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: da_vid@HIDDEN Cc: 65632 <at> debbugs.gnu.org Received: via spool by 65632-submit <at> debbugs.gnu.org id=B65632.169342340513339 (code B ref 65632); Wed, 30 Aug 2023 19:24:02 +0000 Received: (at 65632) by debbugs.gnu.org; 30 Aug 2023 19:23:25 +0000 Received: from localhost ([127.0.0.1]:54087 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qbQmj-0003T0-0K for submit <at> debbugs.gnu.org; Wed, 30 Aug 2023 15:23:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44162) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <eliz@HIDDEN>) id 1qbQmh-0003Sd-8L for 65632 <at> debbugs.gnu.org; Wed, 30 Aug 2023 15:23:24 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <eliz@HIDDEN>) id 1qbQmT-0003S2-T9; Wed, 30 Aug 2023 15:23:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=References:Subject:In-Reply-To:To:From:Date: mime-version; bh=ZOV6bjMRgoQLWbPoVCgfQXD0KgavJaPGeqxVmWD6PvM=; b=iAnSVdxFd711 BXg9ANah8ugpSdmeW0LFhFAdtsDSsD0V7G4o0NHq6sI6wy/SZR+2+AtW/3157htWAI4UI/G+kXWzz ljp8xstQXU602Hld0qjyx5p3vX3p2DSaNlUEd7GVt8Bqy+smxCBsc45Bnf8S58KhMm+wCIwUy1gpp c+Q+LxfHga6W0lK9EPFhEYqFwc/S931b6O7BERD0pFltar0N9K923v6upIyWoYCt2J9rw7K6n0WGI w2favXNz9XIIFHWezcWfs2eO1LMCoYuim3jxSB5hF+o8aAp0Zv05QzhKjUg26ErIdC6ufHvpFqcek e2sB9NOXMn082drRMfmU9A==; Date: Wed, 30 Aug 2023 22:22:50 +0300 Message-Id: <83h6ogfi7p.fsf@HIDDEN> From: Eli Zaretskii <eliz@HIDDEN> In-Reply-To: <83jztcfkf4.fsf@HIDDEN> (message from Eli Zaretskii on Wed, 30 Aug 2023 21:35:11 +0300) References: <c4b4dd2c-03ea-df8c-11b1-e899081e811b@HIDDEN> <83jztcfkf4.fsf@HIDDEN> X-Spam-Score: -2.3 (--) X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) > Cc: 65632 <at> debbugs.gnu.org > Date: Wed, 30 Aug 2023 21:35:11 +0300 > From: Eli Zaretskii <eliz@HIDDEN> > > > ;; Display "TEST" in red, bold, italic on yellow background. > > (insert > > (propertize > > "TEST" 'font-lock-face > > '(bold ((:background "yellow") "italic" > > ((foreground-color . "red") underline))))) > > This is not a valid face, AFAIU. That it works is sheer luck (because > Emacs is very lenient with this stuff). The correct face definition > for what you want is this (see 'set-face-attribute's doc string): > > (insert > (propertize > "TEST" 'font-lock-face > '(:weight bold :background "yellow" :slant italic > :foreground "red" :underline t))) > > If you use the above, foreground-color-at-point etc. will work as > expected. > > I'm not sure we want to go out of our way to support the kind of face > specifications that you used. However, if we do want that, we already have the technology: (face-attributes-as-vector (get-char-property (point) 'font-lock-face)) This will return a vector of face attribute values, where you can find the value of any attribute you like. For example, to get the foreground color, evaluate: (aref 9 (face-attributes-as-vector (get-char-property (point) 'font-lock-face)))
X-Loop: help-debbugs@HIDDEN Subject: bug#65632: 30.0.50; Proposal to improve `faces--attribute-at-point'. Resent-From: David Ponce <da_vid@HIDDEN> Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> Resent-CC: bug-gnu-emacs@HIDDEN Resent-Date: Wed, 30 Aug 2023 22:32:01 +0000 Resent-Message-ID: <handler.65632.B65632.169343466131372 <at> debbugs.gnu.org> Resent-Sender: help-debbugs@HIDDEN X-GNU-PR-Message: followup 65632 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Eli Zaretskii <eliz@HIDDEN> Cc: 65632 <at> debbugs.gnu.org Received: via spool by 65632-submit <at> debbugs.gnu.org id=B65632.169343466131372 (code B ref 65632); Wed, 30 Aug 2023 22:32:01 +0000 Received: (at 65632) by debbugs.gnu.org; 30 Aug 2023 22:31:01 +0000 Received: from localhost ([127.0.0.1]:54242 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qbTiG-00089o-Pu for submit <at> debbugs.gnu.org; Wed, 30 Aug 2023 18:31:01 -0400 Received: from smtp-24.smtpout.orange.fr ([80.12.242.24]:63760 helo=smtp.smtpout.orange.fr) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <da_vid@HIDDEN>) id 1qbTiB-00089b-Ca for 65632 <at> debbugs.gnu.org; Wed, 30 Aug 2023 18:30:59 -0400 Received: from [192.168.1.15] ([2.7.71.181]) by smtp.orange.fr with ESMTPA id bThzqmuAtuWDMbTi0qqRnC; Thu, 31 Aug 2023 00:30:45 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=orange.fr; s=t20230301; t=1693434645; bh=LxPe8KtfY3CzAtW2bk4T2Wd7Mxhf8bsaVrn+gPSRdrU=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=nrVYSZrYP9WZajtuj3Za8fWDkSzax7gGEh39kHj6WxGnW81A7F/d3BdxgYm7m10Ea NnAiGeMHWz9iv4DTbLzoUDSjGicVO+9VlKGit+LophtfLyNHvjgmllC4qTz8yOavtU Q8HT4uoX3hCzM+0MSAtQdd5XlSeORoTen+CERf+fnGJ8KObnU4lUGq78fuoAfBD19C KYTkeQEEwGjKBS0WSZux8XhO4Ox82HF8UJW7ZYtL4lG/nfqRLANBne2q7fenuf9FSS 9yRsV3VirYS4K4vid5X1Mg1O/rfDUdxp83Axie+Yuif+ZNNmd535D9q97Iktx8iJzc NsvD9meF4epQg== X-ME-Helo: [192.168.1.15] X-ME-Auth: ZGFfdmlkQHdhbmFkb28uZnI= X-ME-Date: Thu, 31 Aug 2023 00:30:45 +0200 X-ME-IP: 2.7.71.181 Content-Type: multipart/mixed; boundary="------------jc9jmD4ZSu4eEvrewgb9RJsw" Message-ID: <cf91a840-a211-d910-a0e5-8034e8aa2d8d@HIDDEN> Date: Thu, 31 Aug 2023 00:30:43 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.14.0 References: <c4b4dd2c-03ea-df8c-11b1-e899081e811b@HIDDEN> <83jztcfkf4.fsf@HIDDEN> <83h6ogfi7p.fsf@HIDDEN> Content-Language: fr, en-US From: David Ponce <da_vid@HIDDEN> In-Reply-To: <83h6ogfi7p.fsf@HIDDEN> X-Spam-Score: -1.0 (-) X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.0 (--) This is a multi-part message in MIME format. --------------jc9jmD4ZSu4eEvrewgb9RJsw Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 30/08/2023 21:22, Eli Zaretskii wrote: >> Cc: 65632 <at> debbugs.gnu.org >> Date: Wed, 30 Aug 2023 21:35:11 +0300 >> From: Eli Zaretskii <eliz@HIDDEN> >> >>> ;; Display "TEST" in red, bold, italic on yellow background. >>> (insert >>> (propertize >>> "TEST" 'font-lock-face >>> '(bold ((:background "yellow") "italic" >>> ((foreground-color . "red") underline))))) >> >> This is not a valid face, AFAIU. That it works is sheer luck (because >> Emacs is very lenient with this stuff). The correct face definition >> for what you want is this (see 'set-face-attribute's doc string): >> >> (insert >> (propertize >> "TEST" 'font-lock-face >> '(:weight bold :background "yellow" :slant italic >> :foreground "red" :underline t))) >> >> If you use the above, foreground-color-at-point etc. will work as >> expected. >> >> I'm not sure we want to go out of our way to support the kind of face >> specifications that you used. > > However, if we do want that, we already have the technology: > > (face-attributes-as-vector (get-char-property (point) 'font-lock-face)) > > This will return a vector of face attribute values, where you can find > the value of any attribute you like. For example, to get the > foreground color, evaluate: > > (aref 9 > (face-attributes-as-vector (get-char-property (point) 'font-lock-face))) Hi Eli, Thank you very much for letting me know about `face-attributes-as-vector' (maybe its doc string could be improved?). It is exactly the function I need :-) In case you are interested, I attached an updated patch to faces.el that use this function to lookup face attribute, which improves and simplify the functions `faces--attribute-at-point', `foreground-color-at-point' and `background-color-at-point'. 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X-Loop: help-debbugs@HIDDEN Subject: bug#65632: 30.0.50; Proposal to improve `faces--attribute-at-point'. Resent-From: David Ponce <da_vid@HIDDEN> Original-Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> Resent-CC: bug-gnu-emacs@HIDDEN Resent-Date: Thu, 31 Aug 2023 08:19:02 +0000 Resent-Message-ID: <handler.65632.B65632.16934699393612 <at> debbugs.gnu.org> Resent-Sender: help-debbugs@HIDDEN X-GNU-PR-Message: followup 65632 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Eli Zaretskii <eliz@HIDDEN> Cc: 65632 <at> debbugs.gnu.org Received: via spool by 65632-submit <at> debbugs.gnu.org id=B65632.16934699393612 (code B ref 65632); Thu, 31 Aug 2023 08:19:02 +0000 Received: (at 65632) by debbugs.gnu.org; 31 Aug 2023 08:18:59 +0000 Received: from localhost ([127.0.0.1]:54814 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qbctG-0000wB-Uc for submit <at> debbugs.gnu.org; Thu, 31 Aug 2023 04:18:59 -0400 Received: from smtp-25.smtpout.orange.fr ([80.12.242.25]:51672 helo=smtp.smtpout.orange.fr) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <da_vid@HIDDEN>) id 1qbctC-0000vy-R2 for 65632 <at> debbugs.gnu.org; Thu, 31 Aug 2023 04:18:58 -0400 Received: from [192.168.1.15] ([2.7.71.181]) by smtp.orange.fr with ESMTPA id bct2qyXTdyd7jbct2qHLNh; Thu, 31 Aug 2023 10:18:45 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=orange.fr; s=t20230301; t=1693469925; bh=H0VL7uvDuyvw6Ab2v2QOFKeX/eU3iajvP3H9Z3QfyHA=; h=Date:Subject:From:To:Cc:References:In-Reply-To; b=EdsuTEWVDrRF8TGkMciwAr523kKwXbsVhNNxbzyEy36UE7I/L0IwWjB/L2bbTILKU yFOzEzkJ29/DTHZLlx15emRblpWS/yV/EYGuZTYNpROzHCml6PNEGZaptE+eJZ5LIB IEo4Gzjih00dc4uDm2qsRrb1iN1BK6M331QIu4QuRFkr1egcF0ATtx2rkfhKofkbtP +NUBrdRw+kZUKksKY31hDTFb7Wt9kJIASNQrGzl4h8NMEYCJu2V6oP2/B3hE6bbx1i UWKSZCcl1SVwlxDnYM7aAOQ65j7WTYZED6hIcKLCpWGfjbe7hgAZbg1ZQlcxHHYPAt FxZcn25yZmW/w== X-ME-Helo: [192.168.1.15] X-ME-Auth: ZGFfdmlkQHdhbmFkb28uZnI= X-ME-Date: Thu, 31 Aug 2023 10:18:45 +0200 X-ME-IP: 2.7.71.181 Content-Type: multipart/mixed; boundary="------------Y7y0fzqLt87nGn0iEFJ4ZZIP" Message-ID: <bfd6ee47-b260-c3fd-d371-5ae27eb0f0aa@HIDDEN> Date: Thu, 31 Aug 2023 10:18:43 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 From: David Ponce <da_vid@HIDDEN> References: <c4b4dd2c-03ea-df8c-11b1-e899081e811b@HIDDEN> <83jztcfkf4.fsf@HIDDEN> <83h6ogfi7p.fsf@HIDDEN> <cf91a840-a211-d910-a0e5-8034e8aa2d8d@HIDDEN> Content-Language: fr, en-US In-Reply-To: <cf91a840-a211-d910-a0e5-8034e8aa2d8d@HIDDEN> X-Spam-Score: -1.0 (-) X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -2.0 (--) This is a multi-part message in MIME format. --------------Y7y0fzqLt87nGn0iEFJ4ZZIP Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 31/08/2023 00:30, David Ponce wrote: > On 30/08/2023 21:22, Eli Zaretskii wrote: >>> Cc: 65632 <at> debbugs.gnu.org >>> Date: Wed, 30 Aug 2023 21:35:11 +0300 >>> From: Eli Zaretskii <eliz@HIDDEN> >>> >>>> ;; Display "TEST" in red, bold, italic on yellow background. >>>> (insert >>>> (propertize >>>> "TEST" 'font-lock-face >>>> '(bold ((:background "yellow") "italic" >>>> ((foreground-color . "red") underline))))) >>> >>> This is not a valid face, AFAIU. That it works is sheer luck (because >>> Emacs is very lenient with this stuff). The correct face definition >>> for what you want is this (see 'set-face-attribute's doc string): >>> >>> (insert >>> (propertize >>> "TEST" 'font-lock-face >>> '(:weight bold :background "yellow" :slant italic >>> :foreground "red" :underline t))) >>> >>> If you use the above, foreground-color-at-point etc. will work as >>> expected. >>> >>> I'm not sure we want to go out of our way to support the kind of face >>> specifications that you used. >> >> However, if we do want that, we already have the technology: >> >> (face-attributes-as-vector (get-char-property (point) 'font-lock-face)) >> >> This will return a vector of face attribute values, where you can find >> the value of any attribute you like. For example, to get the >> foreground color, evaluate: >> >> (aref 9 >> (face-attributes-as-vector (get-char-property (point) 'font-lock-face))) > > Hi Eli, > > Thank you very much for letting me know about `face-attributes-as-vector' > (maybe its doc string could be improved?). It is exactly the function I need :-) > > In case you are interested, I attached an updated patch to faces.el that use > this function to lookup face attribute, which improves and simplify the > functions `faces--attribute-at-point', `foreground-color-at-point' and > `background-color-at-point'. > > Regards Please find attached a revised patch. I used the name `faces-attribute' instead of `face-attribute-lookup' for consistency with `faces--attribute-at-point'. I simplified this new function because `face-attributes-as-vector' always returns the symbol `unspecified' when an attribute is not specified (according to what I understand of the implementation in xfaces.c). I also improved the doc string to include a link to the Elisp manual regarding the meaning of face specification. Here is an updated changelog: * faces.el: Improve attribute lookup of face at point. (face--attribute-index): New constant. (faces-attribute): New function. (faces--attribute-at-point): Use it. Remove unused argument. (foreground-color-at-point) (background-color-at-point): Call accordingly. 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Received: (at control) by debbugs.gnu.org; 31 Aug 2023 11:23:14 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu Aug 31 07:23:14 2023 Received: from localhost ([127.0.0.1]:55073 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1qbfla-0008Um-3J for submit <at> debbugs.gnu.org; Thu, 31 Aug 2023 07:23:14 -0400 Received: from mail-lf1-x132.google.com ([2a00:1450:4864:20::132]:50431) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <stefankangas@HIDDEN>) id 1qbflY-0008UQ-VE for control <at> debbugs.gnu.org; Thu, 31 Aug 2023 07:23:13 -0400 Received: by mail-lf1-x132.google.com with SMTP id 2adb3069b0e04-5007abb15e9so1412117e87.0 for <control <at> debbugs.gnu.org>; Thu, 31 Aug 2023 04:23:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1693480979; x=1694085779; darn=debbugs.gnu.org; h=to:subject:message-id:date:from:mime-version:from:to:cc:subject :date:message-id:reply-to; bh=JwxCYlAp25t6C5GhrVRWlprVEv4DKoKjqCmygA9MfHw=; b=BHbZpBbHPd45ntHceByAZBnYDppOjZqIJe+y8x+0MerHpjzh99o7Z+vC4quvE6mxrW ovFXBvP3McJMt2I/O67SN4zfmbAywVmqtvlfESftLNIAaB4BDxynHyoNnpnivYzJbAGH KGutEE4PmKm5F6u+Wv3fafTa9bWW6D0vyj9mBH8rMER2uPSWgZm9JArpNqv1LGfZUSTs H+iZrTAvRbJdfuW7O2K102ccMdQBnn1Ueu6nI7eW4FKIG6/tYdMOzTGmXKkyH60OP74x ldGWEpQ/gzGbB+YXvA4irqXwQ/18fgte6kmnDqYnOH8olpdxTzJr2MkSwaFUQWT5RhI+ 0mUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1693480979; x=1694085779; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=JwxCYlAp25t6C5GhrVRWlprVEv4DKoKjqCmygA9MfHw=; b=exb2HzZ5mP0inm0OdW0xeRwKNLqhRxA52aBFe7J1gT1Gntbr5F+Vgky1eocVO3hB0n LsJcfz037YTQBRwaDcZddAJc63QKXUXWYI6SBtY5gq8p2b4UuttEGIWUDVDZUaDGhR9h 2FXEKk4HqIM0ctdn0dUoy4NnLsyyxU4NAq6BjaWQTHIa3PDiJ53l6YRQ5ZRSULV5CoR6 AYv99XRjCBerbp8lOsGnPsuwwuxvBsuXvymjn0iXoooRUU/nnax6ve4lM5RUX5AnBHWn tPhE1ZTcwXZs2MRNSwrfZJSoeA71fiz+sdzi77/ct3wsqqpuAbEdB0HVIymq+3n9Acue SfIw== X-Gm-Message-State: AOJu0YwKTsEdKSMLuM7zzlIulmb7e09RWPHpcVXh80OBFU8URT6vKbxi C0EMKObZ32zeYy1hFX+g8mnNWod5jFbSQ1JwTvV1WZnF4sc= X-Google-Smtp-Source: AGHT+IHARa49zQQ4SUxRsh2vy5zYIdPk8yVbcCpeFepUEExasHtc0i6tjCoa9ngoLnAudEOLQPT+1L5Vi2KOHE+a4bY= X-Received: by 2002:a05:6512:704:b0:500:b553:c09e with SMTP id b4-20020a056512070400b00500b553c09emr3342113lfs.32.1693480978843; Thu, 31 Aug 2023 04:22:58 -0700 (PDT) MIME-Version: 1.0 From: Stefan Kangas <stefankangas@HIDDEN> Date: Thu, 31 Aug 2023 13:22:47 +0200 Message-ID: <CADwFkmnD3wtRN6d-RGL9MoaiTOrRm3ZgaPQbKNjRE_WrodGP_Q@HIDDEN> Subject: To: control <control <at> debbugs.gnu.org> Content-Type: text/plain; charset="UTF-8" X-Spam-Score: 2.0 (++) X-Spam-Report: Spam detection software, running on the system "debbugs.gnu.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: tags 65632 + patch thanks Content analysis details: (2.0 points, 10.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_PASS SPF: sender matches SPF record -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:132 listed in] [list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (stefankangas[at]gmail.com) 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 2.0 BLANK_SUBJECT Subject is present but empty X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: 1.0 (+) tags 65632 + patch thanks
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