On Thu, Oct 20, 2011 at 12:44:40PM -0700, Ping Cheng wrote: > On Thu, Oct 20, 2011 at 8:03 AM, Chris Bagwell <ch...@cnpbagwell.com> wrote: > > On Wed, Oct 19, 2011 at 9:10 PM, Chris Bagwell <ch...@cnpbagwell.com> wrote: > >> On Wed, Oct 19, 2011 at 7:01 PM, Ping Cheng <pingli...@gmail.com> wrote: > >>> So, we can not rely on pressure to set button 1 click for touch > >>> screen devices. > >> > >> This code shouldn't be needed... or its a bug elsewhere if it is needed. > >> > >> wcmSingleFingerPress() does the below logic but a little better in > >> that it tries not to do a button press during 2 finger gestures > >> (although it has a few known bugs). > >> > >> My touchscreen is doing the left click correctly without looking at > >> pressure. Maybe your seeing something related to pen proximity > >> masking that I didn't consider since my hw doesn't have pen support. > > I'll test it again on my system. > > > Since your working in this area, let me repost a related open issue. > > Maybe you'll have time to work on it. > > > > If you use MyPaint application with the touchscreen you've got > > (without pressure that is), it won't work. > > > > The reason is because that application ignores left click and instead > > relies only on pressure values. Or at the least, its setting ink to > > fully transparent when pressure is reported as zero. Since MyPaint > > works with mice, I think it must only do this when a pressure axis is > > reported. > > > > So I think we need some code in our init phase that only declares > > pressure axis when maxZ != 0. > > This requires an interface change. We will need to only report 2 > valuators, x and y. That might be fine with newer X server and Gtk > versions. But, I guess we'll need to deal with backward compatibility > issue. I am not sure how we want to handle it. > ..
what other axes are on this device? if it's just 2 anyway this is a nonissue. if there are other axes we need to rely on the client to determine which axis represents what anyway (already the case for XI 1.x) Cheers, Peter ------------------------------------------------------------------------------ The demand for IT networking professionals continues to grow, and the demand for specialized networking skills is growing even more rapidly. Take a complimentary Learning@Cisco Self-Assessment and learn about Cisco certifications, training, and career opportunities. http://p.sf.net/sfu/cisco-dev2dev _______________________________________________ Linuxwacom-devel mailing list Linuxwacom-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linuxwacom-devel
