From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: John Wiegley Newsgroups: gmane.emacs.devel Subject: Re: HowTo: Run a hook when a buffer becomes "current" Date: Tue, 22 Dec 2015 09:47:36 -0800 Message-ID: References: NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: ger.gmane.org 1450806477 12828 80.91.229.3 (22 Dec 2015 17:47:57 GMT) X-Complaints-To: usenet@ger.gmane.org NNTP-Posting-Date: Tue, 22 Dec 2015 17:47:57 +0000 (UTC) Cc: Richard Stallman , emacs-devel@gnu.org To: raman Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Dec 22 18:47:51 2015 Return-path: Envelope-to: ged-emacs-devel@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 1aBR2M-0005l5-Hj for ged-emacs-devel@m.gmane.org; Tue, 22 Dec 2015 18:47:50 +0100 Original-Received: from localhost ([::1]:52297 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aBR2M-0001f7-0j for ged-emacs-devel@m.gmane.org; Tue, 22 Dec 2015 12:47:50 -0500 Original-Received: from eggs.gnu.org ([2001:4830:134:3::10]:50259) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aBR2I-0001ex-KY for emacs-devel@gnu.org; Tue, 22 Dec 2015 12:47:47 -0500 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aBR2D-00072C-IE for emacs-devel@gnu.org; Tue, 22 Dec 2015 12:47:46 -0500 Original-Received: from mail-pa0-x22e.google.com ([2607:f8b0:400e:c03::22e]:34015) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aBR2D-000728-Cu; Tue, 22 Dec 2015 12:47:41 -0500 Original-Received: by mail-pa0-x22e.google.com with SMTP id uo6so15429138pac.1; Tue, 22 Dec 2015 09:47:41 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:in-reply-to:date:message-id:references :user-agent:mail-followup-to:mime-version:content-type; bh=TCJ6/062KeTQSUJpLaAj/y0Og+oEOoOTVPA11s1uQ4c=; b=bYYdON3JbeAZMSQTA5v/DU/X+37rbYCZxt1usl0daewZUnfVBCp9EOAnC3SPqMGaAw 0nef8ctOQBx9IgDU3n4+qyUP/QqTngAtMYkbd24qbeerllmQncvxblSaEYVgDS03kc3N AGO7FsmP8ugaLeczTkGqxK8SUsQfZ+LkBd8i6aOKufqx5wm9meAnrzdMzTjeW7poVtBa InMxSN6Q8Ms5GRz/PPh72m+37Mk1nnEnqhvvm1mPnKo0/2ZmEDMj4j4utohDmXQ3Za8N fkenzp6W5TCc2NJbwAcA6wYUBuXC++xPO6zJKHHeEb+Jp8wmV/F47za27apIycbcWJLP T/pA== X-Received: by 10.66.219.98 with SMTP id pn2mr37165423pac.113.1450806460761; Tue, 22 Dec 2015 09:47:40 -0800 (PST) Original-Received: from Vulcan.local (76-234-68-79.lightspeed.frokca.sbcglobal.net. [76.234.68.79]) by smtp.gmail.com with ESMTPSA id w65sm38680204pfa.18.2015.12.22.09.47.39 (version=TLS1 cipher=AES128-SHA bits=128/128); Tue, 22 Dec 2015 09:47:39 -0800 (PST) X-Google-Original-From: "John Wiegley" Original-Received: by Vulcan.local (Postfix, from userid 501) id F16B211A636AB; Tue, 22 Dec 2015 09:47:38 -0800 (PST) In-Reply-To: (raman@google.com's message of "Thu, 17 Dec 2015 20:20:08 -0800") User-Agent: Gnus/5.130014 (Ma Gnus v0.14) Emacs/24.5 (darwin) Mail-Followup-To: raman , Richard Stallman , emacs-devel@gnu.org X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 2607:f8b0:400e:c03::22e X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:196680 Archived-At: >>>>> raman writes: > I'm implementing myself something I'm calling "SoundScapes" --I'm building > it within Emacspeak but it may well be useful more generally. I really like the idea of soundscapes, Raman. As a first approximation -- that is, before requiring a new hook to try out the utility of your idea -- I'd recommend using a timer that checks the buffer of the currently selected window is. I doubt it's even desirable to change the music instantly whenever the buffer changes; in some cases, that could become quite jarring. A timer not only solves your problem quite simply, but allows for customization opportunities like "cross-fading" after you know that the user has been in the new buffer for X milliseconds. This would prevent quick Org capture buffers from disrupting the music of my Gnus summary buffer, for example. -- John Wiegley GPG fingerprint = 4710 CF98 AF9B 327B B80F http://newartisans.com 60E1 46C4 BD1A 7AC1 4BA2