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diff --git a/zarb-ml/mageia-dev/attachments/20120314/6e23e97b/attachment-0001.mht b/zarb-ml/mageia-dev/attachments/20120314/6e23e97b/attachment-0001.mht new file mode 100644 index 000000000..186c0f000 --- /dev/null +++ b/zarb-ml/mageia-dev/attachments/20120314/6e23e97b/attachment-0001.mht @@ -0,0 +1,104 @@ +[From nobody Wed Mar 14 22:24:43 2012 +Return-Path: <desktop-devel-list-bounces@gnome.org> +X-Original-To: list-gnome@vitters.nl +Delivered-To: list-gnome@vitters.nl +Received: from menubar.gnome.org (menubar.gnome.org [209.132.180.169]) + by bkor.dhs.org (Postfix) with ESMTP id 689F9500302 + for <list-gnome@vitters.nl>; Wed, 14 Mar 2012 19:17:57 +0100 (CET) +Received: from menubar.gnome.org (localhost.localdomain [127.0.0.1]) + by menubar.gnome.org (Postfix) with ESMTP id B9016750450; + Wed, 14 Mar 2012 18:17:55 +0000 (UTC) +X-Original-To: desktop-devel-list@gnome.org +Delivered-To: desktop-devel-list@gnome.org +Received: from localhost (localhost.localdomain [127.0.0.1]) + by menubar.gnome.org (Postfix) with ESMTP id 6630075027F + for <desktop-devel-list@gnome.org>; + Wed, 14 Mar 2012 18:17:49 +0000 (UTC) +X-Virus-Scanned: by amavisd-new at gnome.org +X-Spam-Flag: NO +X-Spam-Score: -2.6 +X-Spam-Level: +X-Spam-Status: No, score=-2.6 tagged_above=-999 required=2 + tests=[BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7] autolearn=ham +Received: from menubar.gnome.org ([127.0.0.1]) + by localhost (menubar.gnome.org [127.0.0.1]) (amavisd-new, port 10024) + with ESMTP id 2kwSFYWApAvY for <desktop-devel-list@gnome.org>; + Wed, 14 Mar 2012 18:17:30 +0000 (UTC) +Received: from youngberry.canonical.com (youngberry.canonical.com + [91.189.89.112]) + by menubar.gnome.org (Postfix) with ESMTP id 1E503750244 + for <desktop-devel-list@gnome.org>; + Wed, 14 Mar 2012 18:17:21 +0000 (UTC) +Received: from anancy-258-1-19-225.w90-39.abo.wanadoo.fr ([90.39.122.225] + helo=[192.168.0.11]) by youngberry.canonical.com with esmtpsa + (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) + (envelope-from <seb128@ubuntu.com>) id 1S7slB-0004dT-Lq + for desktop-devel-list@gnome.org; Wed, 14 Mar 2012 18:17:17 +0000 +Message-ID: <4F60E0AC.5090408@ubuntu.com> +Date: Wed, 14 Mar 2012 19:17:16 +0100 +From: Sebastien Bacher <seb128@ubuntu.com> +User-Agent: Mozilla/5.0 (X11; Linux i686; + rv:11.0) Gecko/20120309 Thunderbird/11.0 +MIME-Version: 1.0 +To: desktop-devel-list@gnome.org +Subject: Dealing with GTK 3.3.18 scrolling handling changes for GNOME 3.4 +X-BeenThere: desktop-devel-list@gnome.org +X-Mailman-Version: 2.1.14 +Precedence: list +List-Id: GNOME Desktop Development List <desktop-devel-list.gnome.org> +List-Unsubscribe: <http://mail.gnome.org/mailman/options/desktop-devel-list>, + <mailto:desktop-devel-list-request@gnome.org?subject=unsubscribe> +List-Archive: <http://mail.gnome.org/archives/desktop-devel-list/> +List-Post: <mailto:desktop-devel-list@gnome.org> +List-Help: <mailto:desktop-devel-list-request@gnome.org?subject=help> +List-Subscribe: <http://mail.gnome.org/mailman/listinfo/desktop-devel-list>, + <mailto:desktop-devel-list-request@gnome.org?subject=subscribe> +Content-Transfer-Encoding: 7bit +Content-Type: text/plain; charset="us-ascii"; Format="flowed" +Errors-To: desktop-devel-list-bounces@gnome.org +Sender: desktop-devel-list-bounces@gnome.org + +Hi everyone, + +GTK 3.3.18 and smooth scrolling landing created quite some issues which +seems to have been mostly unnoticed, unaddressed so far, since the hard +freeze for GNOME 3.4 is next week I'm bringing the topic there. + +Some of the details there might be wrong and I'm happy to be corrected, +it's just my understanding of the changes + +* widgets need to opt-in for scroll events (GDK_SCROLL_MASK), that makes +scrolling stop working in applications using custom widgets +(example: +http://git.gnome.org/browse/nautilus/commit/?id=04116ab2876412445c788091be07d7f7321a4a94) + +* if you are on xserver 1.12 with xinput 2.2 your application stop +receiving GDK_SCROLL_DOWN and GDK_SCROLL_UP events, but receive +GDK_SCROLL_SMOOTH with an increment instead + +that change seems to create quite some issue, it breaks for example +mouse wheel scrolling over sound sliders in the control center, or +scrolling in nautilus compact view + +Grepping around in my work tree I see there are quite a lot of GNOME +components using GDK_SCROLL_UP,DOWN, I guess those will stop working as +they should. +Nautilus fixed a such issue in +http://git.gnome.org/browse/nautilus/commit/?id=1a76e044a2c9b834d00c4ea30f1e3af3321d8cdd +It's likely that other applications will need to add extra cases to +handle the new way + +I think that's an issue we should look at addressing before 3.4, either +by doing some "compat" work in GTK (i.e keep emiting the scroll up down +events as well as the smooth ones if possible) or by patching the +applications, the rdepends list is likely not trivial though... + +Thoughts? + +-- +Sebastien Bacher +_______________________________________________ +desktop-devel-list mailing list +desktop-devel-list@gnome.org +http://mail.gnome.org/mailman/listinfo/desktop-devel-list +]
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