From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: martin rudalics Newsgroups: gmane.emacs.bugs Subject: bug#18195: 24.3.92; window-screen-lines is not accurate Date: Tue, 05 Aug 2014 15:57:57 +0200 Message-ID: <53E0E2E5.7050306@gmx.at> References: <86tx5r7l1j.fsf@yandex.ru> <53E097F7.5050407@gmx.at> <53E0ABF9.7070506@yandex.ru> <53E0AF08.50300@gmx.at> <831tsvqc3c.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Trace: ger.gmane.org 1407247184 4445 80.91.229.3 (5 Aug 2014 13:59:44 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 5 Aug 2014 13:59:44 +0000 (UTC) Cc: 18195@debbugs.gnu.org, dgutov@yandex.ru To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Tue Aug 05 15:59:34 2014 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1XEfH2-0001bs-NZ for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Aug 2014 15:59:32 +0200 Original-Received: from localhost ([::1]:59585 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XEfH2-0007QZ-Df for geb-bug-gnu-emacs@m.gmane.org; Tue, 05 Aug 2014 09:59:32 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:38736) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XEfGh-0006yk-T6 for bug-gnu-emacs@gnu.org; Tue, 05 Aug 2014 09:59:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XEfGY-0003ea-6K for bug-gnu-emacs@gnu.org; Tue, 05 Aug 2014 09:59:11 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:51822) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XEfGY-0003eW-3z for bug-gnu-emacs@gnu.org; Tue, 05 Aug 2014 09:59:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1XEfGX-0001pq-Lt for bug-gnu-emacs@gnu.org; Tue, 05 Aug 2014 09:59:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: martin rudalics Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 05 Aug 2014 13:59:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 18195 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 18195-submit@debbugs.gnu.org id=B18195.14072470926971 (code B ref 18195); Tue, 05 Aug 2014 13:59:01 +0000 Original-Received: (at 18195) by debbugs.gnu.org; 5 Aug 2014 13:58:12 +0000 Original-Received: from localhost ([127.0.0.1]:58762 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XEfFj-0001oM-UL for submit@debbugs.gnu.org; Tue, 05 Aug 2014 09:58:12 -0400 Original-Received: from mout.gmx.net ([212.227.15.19]:57106) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1XEfFh-0001o6-Ew for 18195@debbugs.gnu.org; Tue, 05 Aug 2014 09:58:10 -0400 Original-Received: from [93.82.13.132] ([93.82.13.132]) by mail.gmx.com (mrgmx002) with ESMTPSA (Nemesis) id 0Ln897-1WnKml1pvB-00hJoR; Tue, 05 Aug 2014 15:58:02 +0200 In-Reply-To: <831tsvqc3c.fsf@gnu.org> X-Provags-ID: V03:K0:9H3wRumIpIjbtiVe05cfc54RHcOl9o+8mOtDOhnRsSy1Xhv/Uz/ LAvuj8fgUNyffI6ctsAPJ4tWzxqanbfeip8WxjnzBQs7HvMKuUQXzsa1Z3KGP0/fMongDZ5 LS3PbvmSyh2sP2QvUmYYkPPhytEkinNDbvSHxxg6mukTweWHRnyGh3PYEKgKuqwevmaLE6k wRIOaoRFffW4aRVGsBBXQ== X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.15 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 140.186.70.43 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.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.bugs:92137 Archived-At: > He can't: we currently don't expose enough information for Lisp > programs to perform layout. E.g., the metrics of glyphs and lines > that use arbitrary fonts and display images are not easily available > on the Lisp level, and neither are dimensions and line counts of > arbitrary regions of the screen (although you could write some clunky > Lisp to do the latter). Likewise with dimensions of text in overlays > and display properties, and with images. > > This was never supposed to be needed, and thus was never designed and > implemented. If we want to allow such jobs from Lisp, we need to > close these gaps. Why would `window-text-pixel-size' fail to provide that? It might be a bit clumsy to work with because you have to temporarily show another buffer in its window but apart from that I see no problems ... martin