On Saturday, December 24, 2011 02:26:08 PM Chase Douglas wrote: > Hi all, > > At UDS we decided to use the X.org 1.11 server with the input subsystem > backported from 1.12 for multitouch. The upstream 1.12 server > development branch just landed the multitouch support, so I packaged it > up for Precise. > > Ubuntu has had multitouch support in our X server since 11.04, but it > was a prototype implementation. The protocol specification and > implementation merged upstream is very similar, but includes a few key > modifications. > > Over the past week, Chris Halse-Rogers and I have created a staging PPA > (ppa:ubuntu-x-swat/x-testing) for all the X packages and any packages > that need fixes due to the input protocol changes. This PPA is as much > for our own development benefit as it as a chance for others to test it > out. We would gladly appreciate feedback on [email protected]. > However, note that the code is still rather unstable. > > We need to determine what to do about the qt4-x11 package in particular. > The Ubuntu package includes a patch that enables multitouch using the > prototype implementation. I have reworked the patch for the upstream > implementation (it was far easier than I thought it would be :), and it > is available in the ppa as well. For the transition, we could do one of > the following: > > 1. Drop the patch from qt4-x11 now, and add it back in after the X > packages land in precise. > > 2. Synchronize the X package and Qt package uploads and use "Breaks" > debian control clauses to hold back packages during the transition period. > > I proposed option #1 to Scott on irc this past week. I think it's the > least hassle because it does not require significant synchronization > between the kubuntu packagers and the ubuntu-x teams. There are no > API/ABI changes from the patch, it merely hooks up the plumbing in the > qt x11 implementation. I am also unaware of any applications in the > archive using the qt multitouch capability yet. However, I have no > issues with either approach. Any thoughts?
If you've got the patch for qt4-x11, I think it'd be best to just land that change with your X changes when it's ready. I don't see any need to regress qt4-x11 in the mean time. Scott K -- ubuntu-devel mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel
