From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#50178: 28.0.50; Size of echo area does not account for line-spacing Date: Thu, 26 Aug 2021 09:54:51 +0200 Message-ID: <2acd8c0f-443e-3521-20a4-05369193b899@gmx.at> References: <87eeajfvbq.fsf@telefonica.net> <83a6l7vyu2.fsf@gnu.org> <87a6l7ezks.fsf@telefonica.net> <837dgax1a0.fsf@gnu.org> <875yvug2ka.fsf@telefonica.net> <83y28qvhhn.fsf@gnu.org> <871r6ig01r.fsf@telefonica.net> <83wnoavftn.fsf@gnu.org> <87wnoaeisl.fsf@telefonica.net> <83sfyyuupx.fsf@gnu.org> <87k0k9er3w.fsf@telefonica.net> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="17674"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 50178-done@debbugs.gnu.org To: =?UTF-8?Q?=C3=93scar?= Fuentes Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Aug 26 09:56:12 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 1mJAF9-0004UP-LJ for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 26 Aug 2021 09:54:51 +0200 In-Reply-To: <87k0k9er3w.fsf@telefonica.net> Content-Language: en-US X-Provags-ID: V03:K1:jwaf/7XidTDCgP+lfO+fp23q6suRXGvs4n8o4RSHBxgcljQ3Y4X iYG1vXzTahLLJOQjxUMA0YBZJP2Hcs3NPc8JP5AR85TTUYqNAfvg5eYFa+zH7elet7g+Fuf nG970lnbzlaUhdI5mU893aagaaDFOlm2qbYL+LNqaV9K/KLrU14Q4mupDysgi1ZT1pPR70K btPevY5d2dudRKuaz1x+w== X-UI-Out-Filterresults: notjunk:1;V03:K0:D2BdlSZfeZ4=:1QOVutZWz6XXEMyNrvWBKi Y9yfzy9z8r2HMTUlftN5XjUpiV5t4VhwgLYR+tpMjJ0lcF9edqV5idW9nHxLFj9rfED25NAA5 KEemKdEWIcYW4SwrzQDNNIPxsMz3UQlZ9Q/31yBAs+/Nc9Mafcx9rGMs2BAaxHe+7lqpYCHl8 n5/JxFLxbQpSDxnoYIO/qASBO9/D0EQDRY/+u2fkjQfBB/tZmLK7fFqgErCoXj0OhZUv1/PHL yCM5Tb918xnD43vovvfTSMkmWb3SHpHDBL9v+rGdU4TSncjJIc4vQTTKOLDAhTg1nBVySUa5t OI3ARdAvkw+OM0absqZzBx9eJFGu2K7Bj7/53rrHo7d9RJ70ZENWmDdzMfhaIQdF33zfwsibN UCfggyebYbkmsHu4c5BEwSK1zzqjJ7JBoenYY+1gDrGxQFRx2JBObLCwI1F7LavouyH+8eu+o tU5Tsi4uGRGgCGFN6DPkA8ptzFSGo9/BRs4jZGHFtd49YZtzHUTKOvz00S8YnOkRMMBSQCe1L nGDgIwtaTa5qbRjpkhUsRB/odGhVwftfEH12hgPpW82rbABMgcybUeK8mxrVrjZcm6KPBrhC8 8IdbiBOltGtXyndOEQIyn2OEd7zVAmJ7Z0k4bIZy/X6LE/dI838DGoU/U+dDxaE5iti9oXeVJ EAI7IGI5c7ClTLqPzTHUznrSGknIw8lFftL+6wYVClCxmtkuuWz6UghAKaY0dt4IUcHs+C5y8 DmDDrhoU4gMGq8owUxU5Zqra6mrEKFRKUgAyOcXzD6U8V1LjO36gz39QAkb/AW8E5gI3RbyY 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:212695 Archived-At: > On true pixel-oriented systems there are APIs for querying the display > engine about several metrics. Then you can place the text at certain > pixel coordinates. Emacs, however, is a Frankenstein system, that uses > pixels (on graphic frames) but the text positioning depends on previous > text, i.e. for vertical positioning it is a line-based, not pixel-based, > system. Therefore, when you just need to output some lines, you must > deal with pixels, translate back to lines and, to add insult to injury, > resort to post-facto information. Users think in terms of lines and columns. True pixel-oriented systems are not convenient for editing. A few days ago I spent a couple of hours to remove one single line from a pdf-document using LibreOffice. I almost succeeded. > As useful as it would be an API that returns how many lines fit on a > given window. Or, on this case, max-mini-window-height being a true > indication of the capacity of the mini window on terms of the current > display settings, which is what the users want 99.9% of the time. Did you try with `redisplay-adhoc-scroll-in-resize-mini-windows' as Gregory proposed? martin