Date: Wed, 13 Aug 2008 17:29:31 +0100 From: Rui Paulo <rpaulo@FreeBSD.org> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-hackers@freebsd.org, freebsd-usb@freebsd.org Subject: Re: tilt/horizontal scroll support Message-ID: <20080813162931.GC718@epsilon.local> In-Reply-To: <48A300B9.5090105@icyb.net.ua> References: <48A300B9.5090105@icyb.net.ua>
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On Wed, Aug 13, 2008 at 06:41:45PM +0300, Andriy Gapon wrote: > > I have the following mouse: > http://www.logitech.com/index.cfm/partners/system_builders_integrators/products/mice/devices/3141&cl=gb,en# ... > So now I have two questions. > 1. What would be the best way to each ums about the tilt capability of > this mouse? Is there some generic way to detect it or maybe > logitech-specific way or some model-specific quirk is required? > > 2. What would be the best way to pass tilting data to consumers? > I see two possibilities: > A) map data[4] to some extended button value (do it in ums driver), e.g. > to button 6 and button 7; > B) it seems that dz value is always 1 or -1, amount of scrolling affects > number of mouse events, but abs(dz) is always 1; if this is really > always true, then tilting could be piggy-backed onto dz as +2/-2 value > (or some such) and then Xorg sysmouse driver could be taught to > interpret such values as special button presses (similarly to how > vertical scrolling is handled in it). Well, perhaps the best way is to teach sysmouse about horizontal scrolling and then add a quirk WRT your mouse ? sysmouse(4) really needs to grow horizontal scrolling since nowadays every mouse has it. Regards, -- Rui Paulo
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