From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#68786: 30.0.50; Horizontal overscroll Date: Mon, 29 Jan 2024 21:10:02 +0200 Message-ID: <86ttmw2bxx.fsf@gnu.org> References: <871qa1b08i.fsf@gmail.com> <86msso4abj.fsf@gnu.org> <87wmrs9fyt.fsf@gmail.com> Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14730"; mail-complaints-to="usenet@ciao.gmane.io" Cc: 68786@debbugs.gnu.org To: Andrey Listopadov Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Mon Jan 29 20:11:40 2024 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 1rUX2i-0003dq-5H for geb-bug-gnu-emacs@m.gmane-mx.org; Mon, 29 Jan 2024 20:11:40 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rUX2A-0001bi-7v; Mon, 29 Jan 2024 14:11:06 -0500 Original-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 ) id 1rUX1y-0001aX-KB for bug-gnu-emacs@gnu.org; Mon, 29 Jan 2024 14:10:56 -0500 Original-Received: from debbugs.gnu.org ([2001:470:142:5::43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rUX1y-0000mq-Bz for bug-gnu-emacs@gnu.org; Mon, 29 Jan 2024 14:10:54 -0500 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1rUX26-0002J4-CT for bug-gnu-emacs@gnu.org; Mon, 29 Jan 2024 14:11:02 -0500 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Mon, 29 Jan 2024 19:11:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 68786 X-GNU-PR-Package: emacs Original-Received: via spool by 68786-submit@debbugs.gnu.org id=B68786.17065554218819 (code B ref 68786); Mon, 29 Jan 2024 19:11:02 +0000 Original-Received: (at 68786) by debbugs.gnu.org; 29 Jan 2024 19:10:21 +0000 Original-Received: from localhost ([127.0.0.1]:33479 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rUX1Q-0002IB-Kr for submit@debbugs.gnu.org; Mon, 29 Jan 2024 14:10:20 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:52032) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1rUX1P-0002Hw-2C for 68786@debbugs.gnu.org; Mon, 29 Jan 2024 14:10:19 -0500 Original-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 ) id 1rUX1B-0000bk-4j; Mon, 29 Jan 2024 14:10:05 -0500 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=qxNtVEcFE0iHeQKALBYKzipGIuVUjRcTT/OXZGp7VOE=; b=YTfdWE2/dOA3 /7J/5MU7wKIIQrGRnM8eH50uzn6UGcLytozkthG9caEeF2ywEejIdZO4O9UB6cFUG1cmx7ZZYxQ/8 NOPL2s2nBdQHVgwp//fyLJ0Rqht3irlOWiG50d5AZk1DAqMzeGsCtpUThH69lvgBUJTkfQZk5d4yZ uIp6e5544Bb8bAt9YVhJo3pp2ThRhK5d6lMHXSFcTqiO2jBwMyxeXgPmF8YmxQHxM8MOEZdHfFVv2 sGiUUGq7qRvj1FWYr3/D/jjCQJBsnasIbsv/qth9woDwSAsx3tFXGOsJW+VOaOQxkUk1FkKoTJQ07 MC+rcgumfZVUFkGySQCelA==; In-Reply-To: <87wmrs9fyt.fsf@gmail.com> (message from Andrey Listopadov on Mon, 29 Jan 2024 20:53:34 +0300) 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:279141 Archived-At: > From: Andrey Listopadov > Cc: 68786@debbugs.gnu.org > Date: Mon, 29 Jan 2024 20:53:34 +0300 > > > ... I won't object to such a feature, provided that it's optional and > > OFF by default, and also that it is supported on as many toolkits as > > is practical. Patches welcome. > > Fair enough. Right now I can't send a patch, because I don't have the > solution for this problem. The piece of code I sent works for me, but > it's not general by any means, and has a lot of subtle flaws. > > Maybe if you could point me out to parts of Emacs that do the > calculation of the longest visible line for the scroll bar so I could > adopt it instead of doing hacky unscallable-face-font-width-based > calculation? Or maybe help me think of a better way to calculate this. That calculation is in xdisp.c:set_horizontal_scroll_bar, which also sets the size of the scroll-bar thumb.