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X Input 2.1 Not Coming Until X.Org Server 1.12

X.Org

Published on 12 May 2011 11:59 PM EDT
Written by Michael Larabel in X.Org
3 Comments

X Input 2.1 was originally talked about for X.Org Server 1.10 with its initial multi-touch implementation having been published back in late 2010.

After this version of the X Input extension missed the 1.10 cycle, it was getting back on track for a xorg-server 1.11 merge. The multi-touch work has already went through several revisions by Daniel Stone and Canonical.

This work was looking like it would finally land for X.Org Server 1.11 when it's released in August, but it doesn't look like it will make the merge window closing in a few weeks. One of the problems causing a delay in the merge deals with touchpads and where touch/mouse events are delivered to different windows.

Canonical is still working on the tool-kit support and gestures with X Input 2.1 and will continue to provide early back-ported patches into the Ubuntu 11.10 environment. Canonical had also provided early "prototype" patches for their multi-touch / gestures work into Ubuntu 11.04. Daniel Stone is the one driving the upstream work and actual development.

With Ubuntu 12.04 they may not even carry X.Org Server 1.12 depending upon when it's released and its quality, due to 12.04 being a Long-Term Support release. For even Ubuntu 12.04 this may mean back-porting the X Input 2.1 support once again if they will be shipping X.Org Server 1.11 instead.

Wayland was also brought up, but further investigation whether evdev events from the kernel will be enough there. An example Wayland client is needed to better determine its input needs.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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