From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Eli Zaretskii Newsgroups: gmane.emacs.bugs Subject: bug#14744: 24.3.50; Flickering mouse-face on process output Date: Sat, 29 Jun 2013 18:16:30 +0300 Message-ID: <837ghddk1d.fsf@gnu.org> References: <87r4flzshg@ch.ristopher.com> <83k3lde4v7.fsf@gnu.org> Reply-To: Eli Zaretskii NNTP-Posting-Host: plane.gmane.org X-Trace: ger.gmane.org 1372519087 2828 80.91.229.3 (29 Jun 2013 15:18:07 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Sat, 29 Jun 2013 15:18:07 +0000 (UTC) Cc: christopher@ch.ristopher.com, 14744@debbugs.gnu.org To: Stefan Monnier Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sat Jun 29 17:18:07 2013 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 1Uswud-00062h-5P for geb-bug-gnu-emacs@m.gmane.org; Sat, 29 Jun 2013 17:18:07 +0200 Original-Received: from localhost ([::1]:47078 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Uswuc-00035u-NU for geb-bug-gnu-emacs@m.gmane.org; Sat, 29 Jun 2013 11:18:06 -0400 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:49336) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UswuZ-00035o-Ez for bug-gnu-emacs@gnu.org; Sat, 29 Jun 2013 11:18:04 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UswuY-0006i4-JR for bug-gnu-emacs@gnu.org; Sat, 29 Jun 2013 11:18:03 -0400 Original-Received: from debbugs.gnu.org ([140.186.70.43]:54073) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UswuY-0006hy-GX for bug-gnu-emacs@gnu.org; Sat, 29 Jun 2013 11:18:02 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.80) (envelope-from ) id 1UswuX-00042H-SL for bug-gnu-emacs@gnu.org; Sat, 29 Jun 2013 11:18:02 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Eli Zaretskii Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Sat, 29 Jun 2013 15:18:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 14744 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: Original-Received: via spool by 14744-submit@debbugs.gnu.org id=B14744.137251903015447 (code B ref 14744); Sat, 29 Jun 2013 15:18:01 +0000 Original-Received: (at 14744) by debbugs.gnu.org; 29 Jun 2013 15:17:10 +0000 Original-Received: from localhost ([127.0.0.1]:48389 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Uswti-000414-F6 for submit@debbugs.gnu.org; Sat, 29 Jun 2013 11:17:10 -0400 Original-Received: from mtaout21.012.net.il ([80.179.55.169]:34702) by debbugs.gnu.org with esmtp (Exim 4.80) (envelope-from ) id 1Uswtf-00040V-6W for 14744@debbugs.gnu.org; Sat, 29 Jun 2013 11:17:08 -0400 Original-Received: from conversion-daemon.a-mtaout21.012.net.il by a-mtaout21.012.net.il (HyperSendmail v2007.08) id <0MP500C00UEPMM00@a-mtaout21.012.net.il> for 14744@debbugs.gnu.org; Sat, 29 Jun 2013 18:16:30 +0300 (IDT) Original-Received: from HOME-C4E4A596F7 ([87.69.4.28]) by a-mtaout21.012.net.il (HyperSendmail v2007.08) with ESMTPA id <0MP500CUAUFHJZ00@a-mtaout21.012.net.il>; Sat, 29 Jun 2013 18:16:29 +0300 (IDT) In-reply-to: X-012-Sender: halo1@inter.net.il 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:75719 Archived-At: > From: Stefan Monnier > Cc: Christopher Schmidt , 14744@debbugs.gnu.org > Date: Sat, 29 Jun 2013 11:08:51 -0400 > > I consider it a bug because some part of the screen flickers. > I understand the underlying technical reason why Emacs does that, but > it's still a misfeature. See my other message, where I explained the reasons for this specific case. Not surprisingly, it's use of overlays. > Ideally we should refrain from redrawing things that haven't > changed We do, but not with mouse-highlight. > the second best fix is to use some kind of double buffering so the > intermediate "drawn but not depressed" state is kept hidden. I admit that I have no idea what you have in mind here, but patches are most welcome.