From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KTZzK-0003Gv-1L for qemu-devel@nongnu.org; Thu, 14 Aug 2008 06:23:26 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KTZzI-0003Fv-GK for qemu-devel@nongnu.org; Thu, 14 Aug 2008 06:23:25 -0400 Received: from [199.232.76.173] (port=42499 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KTZzH-0003FY-RW for qemu-devel@nongnu.org; Thu, 14 Aug 2008 06:23:24 -0400 Received: from mail2.shareable.org ([80.68.89.115]:34231) by monty-python.gnu.org with esmtps (TLS-1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1KTZzH-00087l-E8 for qemu-devel@nongnu.org; Thu, 14 Aug 2008 06:23:23 -0400 Received: from jamie by mail2.shareable.org with local (Exim 4.63) (envelope-from ) id 1KTZzF-0000Sp-NA for qemu-devel@nongnu.org; Thu, 14 Aug 2008 11:23:21 +0100 Date: Thu, 14 Aug 2008 11:23:21 +0100 From: Jamie Lokier Subject: Re: [Qemu-devel] [PATCH] [RFC] usb-wacom Message-ID: <20080814102321.GC682@shareable.org> References: <1498140435-BeMail@laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <1498140435-BeMail@laptop> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org François Revol wrote: > Hi there. > We use QEMU a lot to debug Haiku, http://haiku-os.org/ > I also wrote a little php script that use it to demo images online, > serving a VNC java applet to connect to it with VNC. > http://dev.haiku-os.org/browser/haiku/trunk/3rdparty/mmu_man/onlinedemo/haiku.php > It's a bit like what live.OSZoo does, but simpler. > > To accomodate the VNC setup, I tried to use the usb tablet emulation. > It turns out Haiku has a driver for Wacom tablets: > > http://dev.haiku-os.org/browser/haiku/trunk/src/add-ons/kernel/drivers/input/wacom > http://dev.haiku-os.org/browser/haiku/trunk/src/add-ons/input_server/devices/wacom > > However, it didn't really work very well with qemu's usb-wacom code. > > First, mouse stayed in the top-left corner... Seems coords were set to > 0,0 when no button is pressed, which is wrong, most tablets actually > sense the stylus even when it's not yet touching the surface. I see similar problems with Windows Server 2003 guest and the USB tablet emulation. The pointer jumps about randomly, so it's not usable. It works fine with Windows XP guest. -- Jamie