From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#16475: enhancement request: remove vertical scroll bar automatically when not needed Date: Thu, 26 Oct 2017 19:30:17 +0300 Message-ID: <83zi8d7tye.fsf@gnu.org> References: Reply-To: Eli Zaretskii NNTP-Posting-Host: blaine.gmane.org X-Trace: blaine.gmane.org 1509035489 9705 195.159.176.226 (26 Oct 2017 16:31:29 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 26 Oct 2017 16:31:29 +0000 (UTC) Cc: 16475@debbugs.gnu.org To: Keith David Bershatsky Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Oct 26 18:31:25 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1e7l3t-0000tY-3p for geb-bug-gnu-emacs@m.gmane.org; Thu, 26 Oct 2017 18:31:17 +0200 Original-Received: from localhost ([::1]:53807 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e7l3x-00028e-CJ for geb-bug-gnu-emacs@m.gmane.org; Thu, 26 Oct 2017 12:31:21 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:55989) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e7l3n-00028W-Tv for bug-gnu-emacs@gnu.org; Thu, 26 Oct 2017 12:31:17 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e7l3e-0003A7-AM for bug-gnu-emacs@gnu.org; Thu, 26 Oct 2017 12:31:11 -0400 Original-Received: from debbugs.gnu.org ([208.118.235.43]:54882) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1e7l3e-0003A3-7E for bug-gnu-emacs@gnu.org; Thu, 26 Oct 2017 12:31:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1e7l3d-0006NP-W4 for bug-gnu-emacs@gnu.org; Thu, 26 Oct 2017 12:31:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Thu, 26 Oct 2017 16:31:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 16475 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 16475-submit@debbugs.gnu.org id=B16475.150903544323238 (code B ref 16475); Thu, 26 Oct 2017 16:31:01 +0000 Original-Received: (at 16475) by debbugs.gnu.org; 26 Oct 2017 16:30:43 +0000 Original-Received: from localhost ([127.0.0.1]:35330 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e7l3L-00062L-2U for submit@debbugs.gnu.org; Thu, 26 Oct 2017 12:30:43 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:36649) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1e7l3H-0005sj-2x for 16475@debbugs.gnu.org; Thu, 26 Oct 2017 12:30:39 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e7l36-0002pq-6b for 16475@debbugs.gnu.org; Thu, 26 Oct 2017 12:30:33 -0400 Original-Received: from fencepost.gnu.org ([2001:4830:134:3::e]:59254) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e7l36-0002pg-0s; Thu, 26 Oct 2017 12:30:28 -0400 Original-Received: from [176.228.60.248] (port=2225 helo=home-c4e4a596f7) by fencepost.gnu.org with esmtpsa (TLS1.2:RSA_AES_256_CBC_SHA1:256) (Exim 4.82) (envelope-from ) id 1e7l35-0006SA-BX; Thu, 26 Oct 2017 12:30:27 -0400 In-reply-to: (message from Keith David Bershatsky on Wed, 25 Oct 2017 15:25:40 -0700) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 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" Xref: news.gmane.org gmane.emacs.bugs:139018 Archived-At: > Date: Wed, 25 Oct 2017 15:25:40 -0700 > From: Keith David Bershatsky > Cc: 16475@debbugs.gnu.org > > Scroll bars are not immediately removed, however, when `window_contents_visible_p` is true and this-command is a keyboard stroke. Most probably because some redisplay optimization bypasses your code. > Any ideas on how to immediately remove scroll bars from the target window when `window_contents_visible_p` is true? [I have chosen the end of `redisplay_window` to perform the test because window start/end *should be* accurate at that location of the code.] Like I said: I think the way this works will cause annoying visual effects, so I propose to call set-window-scroll-bars from keyboard.c, before we enter redisplay.