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From: | Gerd Hoffmann |
Subject: | Re: [Qemu-devel] paravirtual mouse/tablet |
Date: | Fri, 14 Jan 2011 12:27:43 +0100 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.13) Gecko/20101208 Red Hat/3.1.7-3.el6_0 Thunderbird/3.1.7 |
Hi,
* multitouch capabilities would be good to design in a mouse protocol for 2011, so having say 16 x/y pairs would be better
Point. What do we need here? Finger $n down, finger $n up, finger $n moved to $x,$y? Does it make sense to just add this to the move+buttonup/down structs? Or should it better be separate?
* on mac os at least scrolling is not done by pressing virtual buttons, but by having a separate scroll interface that knows about velocity and such - maybe worth adding that to the protocol from the beginning too.
Is that actually done by the hardware? I'd expect macos processes the multitouch events, then provides this (finger $n moves this fast into that direction) as high-level interface, so this isn't something we have to care about at virtual hardware level.
cheers, Gerd
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